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Claude Sonnet 4.5 vs Devstral Medium
Comprehensive side-by-side LLM comparison
Claude Sonnet 4.5 leads with 15.6% higher average benchmark score. Claude Sonnet 4.5 offers 8.0K more tokens in context window than Devstral Medium. Devstral Medium is $15.60 cheaper per million tokens. Claude Sonnet 4.5 supports multimodal inputs. Overall, Claude Sonnet 4.5 is the stronger choice for coding tasks.
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Anthropic
Claude Sonnet 4.5 was developed to bridge human thinking and machine assistance, allowing people to work with language and tools in a more conversational and natural way. Built with a focus on turning ideas into results, it represents an evolution in making AI feel less mechanical while maintaining strong capabilities across reasoning, coding, and collaborative tasks.
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Mistral AI
Devstral Medium was created as a development-focused model, designed to assist with software engineering workflows and developer-centric tasks. Built to provide balanced capability for coding, debugging, and technical documentation, it serves as a versatile tool for professional development environments.
2 months newer
Devstral Medium
Mistral AI
2025-07-10
Claude Sonnet 4.5
Anthropic
2025-09-29
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Pricing Comparison
Cost per million tokens (USD)
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Claude Sonnet 4.5
Input:$3.00
Output:$15.00
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Devstral Medium
Input:$0.40
Output:$2.00($15.60 cheaper)
Performance Metrics
Context window and performance specifications
Average performance across 1 common benchmarks
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Claude Sonnet 4.5
Average Score:77.2%(+15.6%)
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Devstral Medium
Average Score:61.6%
Performance comparison across key benchmark categories
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Claude Sonnet 4.5
Coding77.2%(+15.6%)
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Devstral Medium
Coding61.6%
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Knowledge Cutoff
Training data recency comparison
Claude Sonnet 4.5
2025-01-31
More recent knowledge cutoff means awareness of newer technologies and frameworks
Provider Availability & Performance
Available providers and their performance metrics
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Claude Sonnet 4.5
2 providers
Anthropic
Throughput: 42 tok/s
Latency: 0.4ms
ZeroEval
Throughput: 42 tok/s
Latency: 0.4ms
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Claude Sonnet 4.5
Avg Score:77.2%(+15.6%)
Providers:2
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Devstral Medium
Avg Score:61.6%
Providers:1